Best RS alternatives: apps like RS-M500

10+ similar apps compared and reviewed

3.6 avg rating

9 free apps

Updated October 2026

ICOM INCORPORATED

RS is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to RS

#1

AirmarCAST™ by Airmar Technology Inc.

Editor's Choice

2.6(5 ratings)

Free

AirmarCAST™ screenshot 1

AirmarCAST™ screenshot 2

AirmarCAST™ screenshot 3

AirmarCAST™ screenshot 4

AirmarCAST™ screenshot 5

AirmarCAST™ screenshot 6

Configure and calibrate your boat's Bluetooth-enabled multisensors and modules directly from your mobile device. View real-time data on detailed gauges and perform advanced calibrations for speed, temperature, and attitude without extra hardware.

#2

BILGE-B-DRY 3 by Neptunian Sky LLC

Dry Bilge System controller

Strong Contender

4.3(8 ratings)

Free

BILGE-B-DRY 3 screenshot 1

BILGE-B-DRY 3 screenshot 2

BILGE-B-DRY 3 screenshot 3

BILGE-B-DRY 3 screenshot 4

BILGE-B-DRY 3 screenshot 5

Control your dry bilge pump system remotely. Schedule pump operation, monitor current status, and configure water sensors. View system event history with pump activity charts.

#3

SensorCheck™ by Airmar Technology Inc.

Worth Considering

3.8(6 ratings)

Free

SensorCheck™ screenshot 1

SensorCheck™ screenshot 2

SensorCheck™ screenshot 3

SensorCheck™ screenshot 4

SensorCheck™ screenshot 5

This app allows users to test marine transducers against factory specifications using a connected diagnostic tester. It provides detailed reports on transducer performance and automatically generates warranty information for eligible models.

More apps like RS

Configuration Utility

This app provides a simple and reliable way to configure, update, monitor, and diagnose your Wakespeed Advanced Regulator. It offers pre-defined parameters for various components and an expert mode for advanced customization.

Configure, update, and monitor WS500 Pro via BluetoothPre-defined parameters for alternators, batteries, and BMSSave and retrieve configurations

Compare with RS

SDR-Control Mobile

SDR-Control Mobile

SDR-Control Mobile

Your Icom radio on your iPhone

Control your Icom radio remotely from your iPhone. View spectrum scope, waterfall, and access all radio controls over Wi-Fi or the internet. Supports various Icom models and includes features for ham radio operators.

Spectrum scope and waterfall displayFull radio controlRemote operation over Wi-Fi/internet

Compare with RS

Configuration & Monitoring

Configure, control, and monitor your ARCO Smart Regulator. Customize charging profiles and safety limits for optimal system performance. Offers default profiles for quick setup or expert tuning.

Configure ARCO Smart RegulatorMonitor system performanceCustomize charging profiles

Compare with RS

by KVH Industries, Inc.

Compare with RS

PredictWind Tracker

PredictWind Tracker

PredictWind Tracker

by PredictWind Limited

Automatically update your personalized GPS tracking page for real-time location sharing. Ideal for boaters, it allows friends and family to monitor your position and route with weather or satellite maps. Link to add blogs and videos for a permanent record of your journey.

Automatic GPS tracking updatesReal-time location sharingWeather and satellite map overlays

free with in-app purchases

Compare with RS

BILGE-B-DRY 2.0

BILGE-B-DRY 2.0

BILGE-B-DRY 2.0

Wireless Control BILGE-B-DRY

This app provides wireless control for a dry bilge system, helping to keep boat bilges clean and odor-free. It automatically manages excess water, reducing corrosion and protecting electrical components. Available in multiple configurations for different pump needs.

Wireless smart device connectivityAutomatic bilge water removalReduces boat odors, mold, and mildew

Compare with RS

Remote Vessel Monitoring

This app allows remote monitoring of your boat's onboard sensors and connected devices. Track battery, pressure, position, and add external sensors for wind, depth, and more. Receive real-time alerts and control key systems remotely.

Remote sensor monitoringReal-time alertsRemote circuit control

Compare with RS